EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:max485
LIBS:rv3029c2
LIBS:pilc-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 4
Title "PiLC HAT - PROFIBUS-DP PHY"
Date ""
Rev "0.1"
Comp "Michael Buesch <m@bues.ch>"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MAX485 U2
U 1 1 56AD7A26
P 6450 4700
F 0 "U2" H 6450 5050 60  0000 C CNN
F 1 "MAX 485 ECPA" H 6450 4350 60  0000 C CNN
F 2 "" H 6450 4700 60  0000 C CNN
F 3 "" H 6450 4700 60  0000 C CNN
	1    6450 4700
	1    0    0    -1  
$EndComp
$Comp
L DB9 J1
U 1 1 56AD7A2D
P 8900 4650
F 0 "J1" H 8900 5200 70  0000 C CNN
F 1 "DB9" H 8900 4100 70  0000 C CNN
F 2 "" H 8900 4650 60  0000 C CNN
F 3 "" H 8900 4650 60  0000 C CNN
	1    8900 4650
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR36
U 1 1 56AD7A34
P 7150 4550
F 0 "#PWR36" H 7150 4400 50  0001 C CNN
F 1 "+5V" H 7150 4690 50  0000 C CNN
F 2 "" H 7150 4550 60  0000 C CNN
F 3 "" H 7150 4550 60  0000 C CNN
	1    7150 4550
	0    1    1    0   
$EndComp
$Comp
L GND #PWR37
U 1 1 56AD7A3A
P 7150 4850
F 0 "#PWR37" H 7150 4600 50  0001 C CNN
F 1 "GND" H 7150 4700 50  0000 C CNN
F 2 "" H 7150 4850 60  0000 C CNN
F 3 "" H 7150 4850 60  0000 C CNN
	1    7150 4850
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR38
U 1 1 56AD7A40
P 8350 4250
F 0 "#PWR38" H 8350 4000 50  0001 C CNN
F 1 "GND" H 8350 4100 50  0000 C CNN
F 2 "" H 8350 4250 60  0000 C CNN
F 3 "" H 8350 4250 60  0000 C CNN
	1    8350 4250
	0    1    1    0   
$EndComp
NoConn ~ 8450 4350
NoConn ~ 8450 4450
NoConn ~ 8450 4750
NoConn ~ 8450 4850
NoConn ~ 8450 4950
NoConn ~ 8450 5050
Text Notes 9250 5050 1    79   ~ 0
PROFIBUS DP
$Comp
L C_Small C6
U 1 1 56AD7A4D
P 7000 4300
F 0 "C6" H 7010 4370 50  0000 L CNN
F 1 "100n" H 7010 4220 50  0000 L CNN
F 2 "" H 7000 4300 60  0000 C CNN
F 3 "" H 7000 4300 60  0000 C CNN
	1    7000 4300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR35
U 1 1 56AD7A54
P 7000 4100
F 0 "#PWR35" H 7000 3850 50  0001 C CNN
F 1 "GND" H 7000 3950 50  0000 C CNN
F 2 "" H 7000 4100 60  0000 C CNN
F 3 "" H 7000 4100 60  0000 C CNN
	1    7000 4100
	-1   0    0    1   
$EndComp
$Comp
L R R10
U 1 1 56AD7A5A
P 5550 4550
F 0 "R10" V 5630 4550 50  0000 C CNN
F 1 "1k" V 5550 4550 50  0000 C CNN
F 2 "" V 5480 4550 30  0000 C CNN
F 3 "" H 5550 4550 30  0000 C CNN
	1    5550 4550
	0    1    1    0   
$EndComp
$Comp
L GND #PWR32
U 1 1 56AD7A61
P 5300 3950
F 0 "#PWR32" H 5300 3700 50  0001 C CNN
F 1 "GND" H 5300 3800 50  0000 C CNN
F 2 "" H 5300 3950 60  0000 C CNN
F 3 "" H 5300 3950 60  0000 C CNN
	1    5300 3950
	-1   0    0    1   
$EndComp
$Comp
L ZENER D3
U 1 1 56AD7A67
P 5300 4250
F 0 "D3" H 5300 4350 50  0000 C CNN
F 1 "3.3V" H 5300 4150 50  0000 C CNN
F 2 "" H 5300 4250 60  0000 C CNN
F 3 "" H 5300 4250 60  0000 C CNN
	1    5300 4250
	0    -1   -1   0   
$EndComp
$Comp
L R R8
U 1 1 56AD7A6E
P 5050 4550
F 0 "R8" V 5130 4550 50  0000 C CNN
F 1 "1k" V 5050 4550 50  0000 C CNN
F 2 "" V 4980 4550 30  0000 C CNN
F 3 "" H 5050 4550 30  0000 C CNN
	1    5050 4550
	0    1    1    0   
$EndComp
Wire Wire Line
	6950 4750 8250 4750
Wire Wire Line
	8250 4750 8250 4550
Wire Wire Line
	8250 4550 8450 4550
Wire Wire Line
	6950 4650 8450 4650
Wire Wire Line
	6950 4550 7150 4550
Wire Wire Line
	6950 4850 7150 4850
Wire Wire Line
	8350 4250 8450 4250
Connection ~ 7000 4550
Wire Wire Line
	7000 4400 7000 4550
Wire Wire Line
	7000 4100 7000 4200
Wire Wire Line
	5950 4650 5900 4650
Wire Wire Line
	2100 4850 5950 4850
Wire Wire Line
	5300 3950 5300 4050
Wire Wire Line
	5700 4550 5950 4550
Wire Wire Line
	5300 4450 5300 4550
Connection ~ 5300 4550
Wire Wire Line
	5200 4550 5400 4550
Wire Wire Line
	2100 4550 4900 4550
Wire Wire Line
	2100 4750 5950 4750
Wire Wire Line
	5900 4650 5900 4750
Connection ~ 5900 4750
Text HLabel 2100 4850 0    60   Input ~ 0
TxD
Text HLabel 2100 4550 0    60   Input ~ 0
RxD
Text HLabel 2100 4750 0    60   Input ~ 0
TxForceEn
Text Label 2850 4550 0    60   ~ 0
Rx_data
Text Label 2850 4750 0    60   ~ 0
Tx_force_enable
Text Label 2850 4850 0    60   ~ 0
Tx_data
$Comp
L BS170 Q1
U 1 1 56B7AD47
P 6350 2550
F 0 "Q1" H 6550 2625 50  0000 L CNN
F 1 "BS170" H 6550 2550 50  0000 L CNN
F 2 "~" H 6550 2475 50  0000 L CIN
F 3 "" H 6350 2550 50  0000 L CNN
	1    6350 2550
	1    0    0    -1  
$EndComp
$Comp
L R R12
U 1 1 56B7AD4E
P 6450 2000
F 0 "R12" V 6530 2000 50  0000 C CNN
F 1 "1k" V 6450 2000 50  0000 C CNN
F 2 "" V 6380 2000 30  0000 C CNN
F 3 "" H 6450 2000 30  0000 C CNN
	1    6450 2000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR34
U 1 1 56B7AD55
P 6450 2950
F 0 "#PWR34" H 6450 2700 50  0001 C CNN
F 1 "GND" H 6450 2800 50  0000 C CNN
F 2 "" H 6450 2950 60  0000 C CNN
F 3 "" H 6450 2950 60  0000 C CNN
	1    6450 2950
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR33
U 1 1 56B7AD5B
P 6450 1750
F 0 "#PWR33" H 6450 1600 50  0001 C CNN
F 1 "+3V3" H 6450 1890 50  0000 C CNN
F 2 "" H 6450 1750 60  0000 C CNN
F 3 "" H 6450 1750 60  0000 C CNN
	1    6450 1750
	1    0    0    -1  
$EndComp
$Comp
L R R9
U 1 1 56B7AD61
P 5200 3300
F 0 "R9" V 5280 3300 50  0000 C CNN
F 1 "1k" V 5200 3300 50  0000 C CNN
F 2 "" V 5130 3300 30  0000 C CNN
F 3 "" H 5200 3300 30  0000 C CNN
	1    5200 3300
	0    -1   -1   0   
$EndComp
$Comp
L R R11
U 1 1 56B7AD68
P 6200 2850
F 0 "R11" V 6280 2850 50  0000 C CNN
F 1 "10k" V 6200 2850 50  0000 C CNN
F 2 "" V 6130 2850 30  0000 C CNN
F 3 "" H 6200 2850 30  0000 C CNN
	1    6200 2850
	0    1    1    0   
$EndComp
Wire Wire Line
	6450 2950 6450 2750
Wire Wire Line
	6450 2350 6450 2150
Wire Wire Line
	6450 1750 6450 1850
Wire Wire Line
	6450 2250 6900 2250
Connection ~ 6450 2250
Wire Wire Line
	6350 2850 6450 2850
Connection ~ 6450 2850
Wire Wire Line
	6050 2850 5950 2850
Wire Wire Line
	5950 2850 5950 2600
Connection ~ 5950 2600
Wire Wire Line
	6900 2250 6900 3300
Wire Wire Line
	4600 3300 4600 4750
Wire Wire Line
	4600 3300 5050 3300
Wire Wire Line
	6900 3300 5350 3300
Wire Wire Line
	4500 2600 4500 4850
Wire Wire Line
	4500 2600 6150 2600
Connection ~ 4500 4850
Connection ~ 4600 4750
$EndSCHEMATC
